Detections
Analytics

Echo: libxml2-2.9.1: security update to 2.9.1+e1

high Tenable Self-Hosted Container Security Plugin ID 476494

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the
 XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to
 access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

Solution

Update the libxml2-2.9.1 library and its related packages to version 2.9.1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2022-40303

Plugin Details

Severity: High

ID: 476494

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.19

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2022-40303

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 10/20/2022

Reference Information

CVE: CVE-2022-40303